Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DE_1999_35_9_a1, author = {P. P. Zabreiko and V. V. Marchenko}, title = {Fredholm formulas for linear integral equations}, journal = {Differencialʹnye uravneni\^a}, pages = {1162--1170}, publisher = {mathdoc}, volume = {35}, number = {9}, year = {1999}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1999_35_9_a1/} }
P. P. Zabreiko; V. V. Marchenko. Fredholm formulas for linear integral equations. Differencialʹnye uravneniâ, Tome 35 (1999) no. 9, pp. 1162-1170. http://geodesic.mathdoc.fr/item/DE_1999_35_9_a1/